description of part number p thy r istor for circuit prote c tion part number p 310 0 e b code main suffix product type product type p type median voltage rating code median voltage rating 310 310 v construction variable code product shape 0 one chip 1 unidirectional part 2 two chips 3 three chips package type code package type e t o ?9 2 m d o -27 s s m b/ do?214aa r s m a/do-214ac l do -15 ipp ra ting cod e ipp ra ting b 2 5 0 a ( 8 x 2 0 s) c 4 0 0 a ( 8 x 2 0 s) d 1000 a (8x20 s) a 1 5 0 a (8x20 s) applica t ions whe n prote c t i ng telecom m unication circuits, p device s are conn ected a c ro ss tip and ring for metallic protection and a c ro ss ti p and g r oun d and rin g an d grou nd for l ongitudi nal protection. the y typically are place d behi n d some type of curren t-limiting devi c e. co mmon appli c ation s inclu de: ? central office line ca rd s (slics) ? t-1/e-1, isdn, an d xdsl transmissio n equipm ent ? custome r p r emi s e s equi pment (cpe) su ch a s pho n e s, mode ms, and caller id adjun ct boxe s ? pbxs, ksu s, and other switches ? primary prot ection in clu d ing main di stri bution fram es, five-pin mod u les, buil d ing entran c e e qui pment, and st ation prote c tion mo dule s ? dat a lines a nd se cu rit y sy st em s ? catv line amplifiers and power in se rte r s ? s p rinkle r sy st em s thyristor/ t0-92 ser ies rev.201 4 . 05 . 01 0 1 | www.spsemi.cn
thermal considerations p a c k a g e t o - 9 2 symbol para mete r value unit t j o p e r a t i n g j u n c t i o n t e m p e r a t u r e - 4 0 t o + 1 5 0 c t s s t o r a g e t e m p e r a t u r e r a n g e - 6 5 t o + 1 5 0 c r b j a t h e r m a l r e s i s t a n c e : junction to ambient 9 0 c /w surge ratings s e r i e s ipp 2 x 1 0 s a m p s ipp 8 x 2 0 s a m p s ipp 1 0 x 1 6 0 s a m p s ipp 1 0 x 5 6 0 s a m p s ipp 1 0 x 1 0 0 0 s a m p s i t s m 6 0 h z a m p s d i / d t a m p s / s a 1 5 0 1 5 0 9 0 5 0 4 5 2 0 5 0 0 b 2 5 0 2 5 0 1 5 0 1 0 0 8 0 3 0 5 0 0 c 5 0 0 4 0 0 2 0 0 1 5 0 1 0 0 5 0 5 0 0 p d e vi c e ( e se r i e s) t o - 9 2 p solid state p r otectio n dev ice s protect telecom m uni cation s eq ui pment such as modem s, line card s, fax machi n e s , and other cpe. p devices are used to enable equi pm ent to meet variou s re gulat ory requi rem en t s in c l udin g gr 10 89, itu k.20, k.21, and k.45, iec 609 50, ul 6095 0, and t i a-968 (fo r me rly kno w n a s fcc pa rt 68) electrical parameters p a r t number * v d r m v o l t s v s v o l t s v t v o l t s i d r m a m p s i s m a m p s i t a m p s * * i h m a m p s c o p f p 0 0 8 0 e _ 6 2 5 4 5 8 0 0 2 . 2 5 0 50-125 p 0 3 0 0 e _ 2 5 4 0 4 5 8 0 0 2 . 2 1 5 0 70-175 p 0 6 4 0 e _ 5 8 7 7 4 5 8 0 0 2 . 2 1 5 0 55-140 p 0 7 2 0 e _ 6 5 8 8 4 5 8 0 0 2 . 2 1 5 0 55-140 p 0 9 0 0 e _ 7 5 9 8 4 5 8 0 0 2 . 2 1 5 0 55-140 p 2 3 0 0 e _ 1 9 0 2 6 0 4 5 8 0 0 2 . 2 1 5 0 45-115 p 2 6 0 0 e _ 2 2 0 3 0 0 4 5 8 0 0 2 . 2 1 5 0 40-100 p 3 1 0 0 e _ 2 7 5 3 5 0 4 5 8 0 0 2 . 2 1 5 0 35-90 p 3 5 0 0 e _ 3 2 0 4 0 0 4 5 8 0 0 2 . 2 1 5 0 30-75 2 8 * f or i nd i vi d ual ? e a ? , ? e b ? , a nd ? e c ? s urge rat i ng s , s ee t abl e bel o w thyristor/ t0-92 ser ies rev.201 4 . 05 . 01 0 2 | www.spsemi.cn
the basic characteristic of the p ? the principl e introduc tio n opera t ion in the standb y mode, p devices exhi bit a high off-state impeda nce, eliminati ng exce ssive leakag e cu rrents and app eari n g transp a rent to the circuit s they protec t. upon appli c ation of a voltage exce e d ing the swit chin g voltage (v s ), p devices cro w b a r an d simulate a sh ort circuit co n d ition until the curre n t flowing throug h the device is eith er interrupte d or drop s bel o w the p device?s hol ding current (i h ). once this occurs , p device s reset and return to their hi gh off-state i m peda nce. figure1 v-i characteristics figure2 tr x td pulse wave-form figure3 normalized v s change versus junction temperature figure4 normalized dc holdin g current thyristor/ t0-92 ser ies rev.201 4 . 05 . 01 0 3 | www.spsemi.cn
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